Display screen or portion thereof with graphical user interface



FIGURE is the front view of a display screen or portion thereof with graphical user interface showing our new design.

The dash-dash lines in the figures represent environmental structure, and the dot-dot lines illustrate portions of graphical user interface. The dash-dash lines and dot-dot lines form no part of the claimed design. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 